AQA Computer Science GCSE
Programming Concepts - Mathematical Operators
Basic mathematical operators are addition (+), subtraction (-), multiplication (*) and division (/). BIDMAS rules apply when you're using these, so take care, especially when dealing with multiplication and division.
You then need to add in MOD and DIV - two specialist forms of division.
All Mathematical Operators - a summary with DIV and MOD added
Some exam style questions dealing with operators and trace tables. It would be a good idea to code these questions in Python as well.
Question 2 - a bit trickier (particularly the last part)